Hematology is a branch of medicine and deals with study, treatment, and prevention of blood diseases. This term refer to study of blood, blood-forming organs, and blood diseases and used in respective treatment. Hematology also deals with the problems associated with white blood cells, red blood cells, bone marrow, lymph, and platelets. Blood analysis, flow cytometry, immunodiagnostics, molecular diagnostics, hemostasis, histology, and cytology are the different IVD technologies involved in hematology. Hematology helps to cure or in the treatment of bleeding disorders such as hemophila and blood clots, and blood cancer. Hematology helps to recognize anemia, infection, hemophilia, and blood clotting.